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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2008 Sun Microsystems, Inc.
* Copyright (C) 2010 Andrew Hutchings
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <config.h>
#include <drizzled/plugin/function.h>
#include <drizzled/function/math/int.h>
using namespace drizzled;
class CoercibilityFunction :public Item_int_func
{
public:
CoercibilityFunction() :Item_int_func()
{
unsigned_flag= true;
}
int64_t val_int();
const char *func_name() const
{
return "coercibility";
}
void fix_length_and_dec()
{
max_length=10; maybe_null= 0;
}
table_map not_null_tables() const
{
return 0;
}
bool check_argument_count(int n)
{
return (n == 1);
}
};
int64_t CoercibilityFunction::val_int()
{
assert(fixed == 1);
null_value= 0;
return (int64_t) args[0]->collation.derivation;
}
plugin::Create_function<CoercibilityFunction> *coercibility_function= NULL;
static int initialize(drizzled::module::Context &context)
{
coercibility_function= new plugin::Create_function<CoercibilityFunction>("coercibility");
context.add(coercibility_function);
return 0;
}
DRIZZLE_DECLARE_PLUGIN
{
DRIZZLE_VERSION_ID,
"coercibility",
"1.0",
"Andrew Hutchings",
N_("COERCIBILITY function"),
PLUGIN_LICENSE_GPL,
initialize,
NULL,
NULL
}
DRIZZLE_DECLARE_PLUGIN_END;
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